Iris Data Profile

Brought to you by YData

Dataset statistics

Number of variables	12
Number of observations	1599
Missing cells	0
Missing cells (%)	0.0%
Duplicate rows	220
Duplicate rows (%)	13.8%
Total size in memory	150.0 KiB
Average record size in memory	96.1 B

Variable types

Numeric	12

Alerts

Dataset has 220 (13.8%) duplicate rows	Duplicates
`citric acid` is highly overall correlated with `fixed acidity` and 2 other fields	High correlation
`density` is highly overall correlated with `fixed acidity`	High correlation
`fixed acidity` is highly overall correlated with `citric acid` and 2 other fields	High correlation
`free sulfur dioxide` is highly overall correlated with `total sulfur dioxide`	High correlation
`pH` is highly overall correlated with `citric acid` and 1 other fields	High correlation
`total sulfur dioxide` is highly overall correlated with `free sulfur dioxide`	High correlation
`volatile acidity` is highly overall correlated with `citric acid`	High correlation
`citric acid` has 132 (8.3%) zeros	Zeros

Reproduction

Analysis started	2025-08-04 08:12:51.971723
Analysis finished	2025-08-04 08:13:12.155355
Duration	20.18 seconds
Software version	ydata-profiling vv4.16.1
Download configuration	config.json

fixed acidity
Real number (ℝ)

High correlation

Distinct	96
Distinct (%)	6.0%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	8.3196373

Minimum	4.6
Maximum	15.9
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	12.6 KiB

Quantile statistics

Minimum	4.6
5-th percentile	6.1
Q1	7.1
median	7.9
Q3	9.2
95-th percentile	11.8
Maximum	15.9
Range	11.3
Interquartile range (IQR)	2.1

Descriptive statistics

Standard deviation	1.7410963
Coefficient of variation (CV)	0.20927551
Kurtosis	1.1321434
Mean	8.3196373
Median Absolute Deviation (MAD)	1
Skewness	0.98275144
Sum	13303.1
Variance	3.0314164
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
7.2	67	4.2%
7.1	57	3.6%
7.8	53	3.3%
7.5	52	3.3%
7	50	3.1%
7.7	49	3.1%
6.8	46	2.9%
7.6	46	2.9%
8.2	45	2.8%
7.4	44	2.8%
Other values (86)	1090	68.2%

Value	Count	Frequency (%)
4.6	1	0.1%
4.7	1	0.1%
4.9	1	0.1%
5	6	0.4%
5.1	4	0.3%
5.2	6	0.4%
5.3	4	0.3%
5.4	5	0.3%
5.5	1	0.1%
5.6	14	0.9%

Value	Count	Frequency (%)
15.9	1	0.1%
15.6	2	0.1%
15.5	2	0.1%
15	2	0.1%
14.3	1	0.1%
14	1	0.1%
13.8	1	0.1%
13.7	2	0.1%
13.5	1	0.1%
13.4	1	0.1%

volatile acidity
Real number (ℝ)

High correlation

Distinct	143
Distinct (%)	8.9%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	0.52782051

Minimum	0.12
Maximum	1.58
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	12.6 KiB

Quantile statistics

Minimum	0.12
5-th percentile	0.27
Q1	0.39
median	0.52
Q3	0.64
95-th percentile	0.84
Maximum	1.58
Range	1.46
Interquartile range (IQR)	0.25

Descriptive statistics

Standard deviation	0.1790597
Coefficient of variation (CV)	0.33924355
Kurtosis	1.2255423
Mean	0.52782051
Median Absolute Deviation (MAD)	0.12
Skewness	0.67159257
Sum	843.985
Variance	0.032062378
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0.6	47	2.9%
0.5	46	2.9%
0.43	43	2.7%
0.59	39	2.4%
0.36	38	2.4%
0.58	38	2.4%
0.4	37	2.3%
0.38	35	2.2%
0.49	35	2.2%
0.39	35	2.2%
Other values (133)	1206	75.4%

Value	Count	Frequency (%)
0.12	3	0.2%
0.16	2	0.1%
0.18	10	0.6%
0.19	2	0.1%
0.2	3	0.2%
0.21	6	0.4%
0.22	6	0.4%
0.23	5	0.3%
0.24	13	0.8%
0.25	7	0.4%

Value	Count	Frequency (%)
1.58	1	0.1%
1.33	2	0.1%
1.24	1	0.1%
1.185	1	0.1%
1.18	1	0.1%
1.13	1	0.1%
1.115	1	0.1%
1.09	1	0.1%
1.07	1	0.1%
1.04	3	0.2%

citric acid
Real number (ℝ)

High correlation Zeros

Distinct	80
Distinct (%)	5.0%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	0.27097561

Minimum	0
Maximum	1
Zeros	132
Zeros (%)	8.3%
Negative	0
Negative (%)	0.0%
Memory size	12.6 KiB

Quantile statistics

Minimum	0
5-th percentile	0
Q1	0.09
median	0.26
Q3	0.42
95-th percentile	0.6
Maximum	1
Range	1
Interquartile range (IQR)	0.33

Descriptive statistics

Standard deviation	0.19480114
Coefficient of variation (CV)	0.71888809
Kurtosis	-0.78899752
Mean	0.27097561
Median Absolute Deviation (MAD)	0.17
Skewness	0.3183373
Sum	433.29
Variance	0.037947483
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0	132	8.3%
0.49	68	4.3%
0.24	51	3.2%
0.02	50	3.1%
0.26	38	2.4%
0.1	35	2.2%
0.08	33	2.1%
0.21	33	2.1%
0.01	33	2.1%
0.32	32	2.0%
Other values (70)	1094	68.4%

Value	Count	Frequency (%)
0	132	8.3%
0.01	33	2.1%
0.02	50	3.1%
0.03	30	1.9%
0.04	29	1.8%
0.05	20	1.3%
0.06	24	1.5%
0.07	22	1.4%
0.08	33	2.1%
0.09	30	1.9%

Value	Count	Frequency (%)
1	1	0.1%
0.79	1	0.1%
0.78	1	0.1%
0.76	3	0.2%
0.75	1	0.1%
0.74	4	0.3%
0.73	3	0.2%
0.72	1	0.1%
0.71	1	0.1%
0.7	2	0.1%

residual sugar
Real number (ℝ)

Distinct	91
Distinct (%)	5.7%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	2.5388055

Minimum	0.9
Maximum	15.5
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	12.6 KiB

Quantile statistics

Minimum	0.9
5-th percentile	1.59
Q1	1.9
median	2.2
Q3	2.6
95-th percentile	5.1
Maximum	15.5
Range	14.6
Interquartile range (IQR)	0.7

Descriptive statistics

Standard deviation	1.4099281
Coefficient of variation (CV)	0.55535095
Kurtosis	28.617595
Mean	2.5388055
Median Absolute Deviation (MAD)	0.3
Skewness	4.5406554
Sum	4059.55
Variance	1.9878971
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
2	156	9.8%
2.2	131	8.2%
1.8	129	8.1%
2.1	128	8.0%
1.9	117	7.3%
2.3	109	6.8%
2.4	86	5.4%
2.5	84	5.3%
2.6	79	4.9%
1.7	76	4.8%
Other values (81)	504	31.5%

Value	Count	Frequency (%)
0.9	2	0.1%
1.2	8	0.5%
1.3	5	0.3%
1.4	35	2.2%
1.5	30	1.9%
1.6	58	3.6%
1.65	2	0.1%
1.7	76	4.8%
1.75	2	0.1%
1.8	129	8.1%

Value	Count	Frequency (%)
15.5	1	0.1%
15.4	2	0.1%
13.9	1	0.1%
13.8	2	0.1%
13.4	1	0.1%
12.9	1	0.1%
11	2	0.1%
10.7	1	0.1%
9	1	0.1%
8.9	1	0.1%

chlorides
Real number (ℝ)

Distinct	153
Distinct (%)	9.6%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	0.087466542

Minimum	0.012
Maximum	0.611
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	12.6 KiB

Quantile statistics

Minimum	0.012
5-th percentile	0.054
Q1	0.07
median	0.079
Q3	0.09
95-th percentile	0.1261
Maximum	0.611
Range	0.599
Interquartile range (IQR)	0.02

Descriptive statistics

Standard deviation	0.047065302
Coefficient of variation (CV)	0.53809492
Kurtosis	41.715787
Mean	0.087466542
Median Absolute Deviation (MAD)	0.01
Skewness	5.6803466
Sum	139.859
Variance	0.0022151427
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0.08	66	4.1%
0.074	55	3.4%
0.076	51	3.2%
0.078	51	3.2%
0.084	49	3.1%
0.071	47	2.9%
0.077	47	2.9%
0.082	46	2.9%
0.075	45	2.8%
0.079	43	2.7%
Other values (143)	1099	68.7%

Value	Count	Frequency (%)
0.012	2	0.1%
0.034	1	0.1%
0.038	2	0.1%
0.039	4	0.3%
0.041	4	0.3%
0.042	3	0.2%
0.043	1	0.1%
0.044	5	0.3%
0.045	4	0.3%
0.046	4	0.3%

Value	Count	Frequency (%)
0.611	1	0.1%
0.61	1	0.1%
0.467	1	0.1%
0.464	1	0.1%
0.422	1	0.1%
0.415	3	0.2%
0.414	2	0.1%
0.413	1	0.1%
0.403	1	0.1%
0.401	1	0.1%

free sulfur dioxide
Real number (ℝ)

High correlation

Distinct	60
Distinct (%)	3.8%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	15.874922

Minimum	1
Maximum	72
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	12.6 KiB

Quantile statistics

Minimum	1
5-th percentile	4
Q1	7
median	14
Q3	21
95-th percentile	35
Maximum	72
Range	71
Interquartile range (IQR)	14

Descriptive statistics

Standard deviation	10.460157
Coefficient of variation (CV)	0.65891077
Kurtosis	2.023562
Mean	15.874922
Median Absolute Deviation (MAD)	7
Skewness	1.2505673
Sum	25384
Variance	109.41488
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
6	138	8.6%
5	104	6.5%
10	79	4.9%
15	78	4.9%
12	75	4.7%
7	71	4.4%
9	62	3.9%
16	61	3.8%
17	60	3.8%
11	59	3.7%
Other values (50)	812	50.8%

Value	Count	Frequency (%)
1	3	0.2%
2	1	0.1%
3	49	3.1%
4	41	2.6%
5	104	6.5%
5.5	1	0.1%
6	138	8.6%
7	71	4.4%
8	56	3.5%
9	62	3.9%

Value	Count	Frequency (%)
72	1	0.1%
68	2	0.1%
66	1	0.1%
57	1	0.1%
55	2	0.1%
54	1	0.1%
53	1	0.1%
52	3	0.2%
51	4	0.3%
50	2	0.1%

total sulfur dioxide
Real number (ℝ)

High correlation

Distinct	144
Distinct (%)	9.0%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	46.467792

Minimum	6
Maximum	289
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	12.6 KiB

Quantile statistics

Minimum	6
5-th percentile	11
Q1	22
median	38
Q3	62
95-th percentile	112.1
Maximum	289
Range	283
Interquartile range (IQR)	40

Descriptive statistics

Standard deviation	32.895324
Coefficient of variation (CV)	0.70791666
Kurtosis	3.8098245
Mean	46.467792
Median Absolute Deviation (MAD)	18
Skewness	1.5155313
Sum	74302
Variance	1082.1024
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
28	43	2.7%
24	36	2.3%
15	35	2.2%
18	35	2.2%
23	34	2.1%
14	33	2.1%
20	33	2.1%
31	32	2.0%
38	31	1.9%
27	30	1.9%
Other values (134)	1257	78.6%

Value	Count	Frequency (%)
6	3	0.2%
7	4	0.3%
8	14	0.9%
9	14	0.9%
10	27	1.7%
11	26	1.6%
12	29	1.8%
13	28	1.8%
14	33	2.1%
15	35	2.2%

Value	Count	Frequency (%)
289	1	0.1%
278	1	0.1%
165	1	0.1%
160	1	0.1%
155	1	0.1%
153	1	0.1%
152	1	0.1%
151	2	0.1%
149	1	0.1%
148	2	0.1%

density
Real number (ℝ)

High correlation

Distinct	436
Distinct (%)	27.3%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	0.99674668

Minimum	0.99007
Maximum	1.00369
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	12.6 KiB

Quantile statistics

Minimum	0.99007
5-th percentile	0.993598
Q1	0.9956
median	0.99675
Q3	0.997835
95-th percentile	1
Maximum	1.00369
Range	0.01362
Interquartile range (IQR)	0.002235

Descriptive statistics

Standard deviation	0.001887334
Coefficient of variation (CV)	0.0018934941
Kurtosis	0.93407907
Mean	0.99674668
Median Absolute Deviation (MAD)	0.00113
Skewness	0.071287663
Sum	1593.7979
Variance	3.5620295 × 10^-6
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0.9972	36	2.3%
0.9968	35	2.2%
0.9976	35	2.2%
0.998	29	1.8%
0.9962	28	1.8%
0.9978	26	1.6%
0.9964	25	1.6%
0.9994	24	1.5%
0.997	24	1.5%
0.9982	23	1.4%
Other values (426)	1314	82.2%

Value	Count	Frequency (%)
0.99007	2	0.1%
0.9902	1	0.1%
0.99064	2	0.1%
0.9908	1	0.1%
0.99084	1	0.1%
0.9912	1	0.1%
0.9915	1	0.1%
0.99154	1	0.1%
0.99157	1	0.1%
0.9916	2	0.1%

Value	Count	Frequency (%)
1.00369	2	0.1%
1.0032	1	0.1%
1.00315	3	0.2%
1.00289	1	0.1%
1.0026	2	0.1%
1.00242	2	0.1%
1.0022	2	0.1%
1.0021	2	0.1%
1.0018	1	0.1%
1.0015	2	0.1%

pH
Real number (ℝ)

High correlation

Distinct	89
Distinct (%)	5.6%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	3.3111132

Minimum	2.74
Maximum	4.01
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	12.6 KiB

Quantile statistics

Minimum	2.74
5-th percentile	3.06
Q1	3.21
median	3.31
Q3	3.4
95-th percentile	3.57
Maximum	4.01
Range	1.27
Interquartile range (IQR)	0.19

Descriptive statistics

Standard deviation	0.15438646
Coefficient of variation (CV)	0.046626755
Kurtosis	0.80694251
Mean	3.3111132
Median Absolute Deviation (MAD)	0.1
Skewness	0.1936835
Sum	5294.47
Variance	0.023835181
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
3.3	57	3.6%
3.36	56	3.5%
3.26	53	3.3%
3.38	48	3.0%
3.39	48	3.0%
3.29	46	2.9%
3.32	45	2.8%
3.34	43	2.7%
3.28	42	2.6%
3.2	39	2.4%
Other values (79)	1122	70.2%

Value	Count	Frequency (%)
2.74	1	0.1%
2.86	1	0.1%
2.87	1	0.1%
2.88	2	0.1%
2.89	4	0.3%
2.9	1	0.1%
2.92	4	0.3%
2.93	3	0.2%
2.94	4	0.3%
2.95	1	0.1%

Value	Count	Frequency (%)
4.01	2	0.1%
3.9	2	0.1%
3.85	1	0.1%
3.78	2	0.1%
3.75	1	0.1%
3.74	1	0.1%
3.72	3	0.2%
3.71	4	0.3%
3.7	1	0.1%
3.69	4	0.3%

sulphates
Real number (ℝ)

Distinct	96
Distinct (%)	6.0%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	0.65814884

Minimum	0.33
Maximum	2
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	12.6 KiB

Quantile statistics

Minimum	0.33
5-th percentile	0.47
Q1	0.55
median	0.62
Q3	0.73
95-th percentile	0.93
Maximum	2
Range	1.67
Interquartile range (IQR)	0.18

Descriptive statistics

Standard deviation	0.16950698
Coefficient of variation (CV)	0.25755113
Kurtosis	11.720251
Mean	0.65814884
Median Absolute Deviation (MAD)	0.08
Skewness	2.4286724
Sum	1052.38
Variance	0.028732616
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0.6	69	4.3%
0.58	68	4.3%
0.54	68	4.3%
0.62	61	3.8%
0.56	60	3.8%
0.57	55	3.4%
0.53	51	3.2%
0.59	51	3.2%
0.55	50	3.1%
0.63	48	3.0%
Other values (86)	1018	63.7%

Value	Count	Frequency (%)
0.33	1	0.1%
0.37	2	0.1%
0.39	6	0.4%
0.4	4	0.3%
0.42	5	0.3%
0.43	8	0.5%
0.44	16	1.0%
0.45	12	0.8%
0.46	18	1.1%
0.47	19	1.2%

Value	Count	Frequency (%)
2	1	0.1%
1.98	1	0.1%
1.95	2	0.1%
1.62	1	0.1%
1.61	1	0.1%
1.59	1	0.1%
1.56	1	0.1%
1.36	3	0.2%
1.34	1	0.1%
1.33	1	0.1%

alcohol
Real number (ℝ)

Distinct	65
Distinct (%)	4.1%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	10.422983

Minimum	8.4
Maximum	14.9
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	12.6 KiB

Quantile statistics

Minimum	8.4
5-th percentile	9.2
Q1	9.5
median	10.2
Q3	11.1
95-th percentile	12.5
Maximum	14.9
Range	6.5
Interquartile range (IQR)	1.6

Descriptive statistics

Standard deviation	1.0656676
Coefficient of variation (CV)	0.10224209
Kurtosis	0.20002931
Mean	10.422983
Median Absolute Deviation (MAD)	0.7
Skewness	0.86082881
Sum	16666.35
Variance	1.1356474
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
9.5	139	8.7%
9.4	103	6.4%
9.8	78	4.9%
9.2	72	4.5%
10	67	4.2%
10.5	67	4.2%
9.3	59	3.7%
11	59	3.7%
9.6	59	3.7%
9.7	54	3.4%
Other values (55)	842	52.7%

Value	Count	Frequency (%)
8.4	2	0.1%
8.5	1	0.1%
8.7	2	0.1%
8.8	2	0.1%
9	30	1.9%
9.05	1	0.1%
9.1	23	1.4%
9.2	72	4.5%
9.233333333	1	0.1%
9.25	1	0.1%

Value	Count	Frequency (%)
14.9	1	0.1%
14	7	0.4%
13.6	4	0.3%
13.56666667	1	0.1%
13.5	1	0.1%
13.4	3	0.2%
13.3	3	0.2%
13.2	1	0.1%
13.1	2	0.1%
13	6	0.4%

quality
Real number (ℝ)

Distinct	6
Distinct (%)	0.4%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	5.6360225

Minimum	3
Maximum	8
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	12.6 KiB

Quantile statistics

Minimum	3
5-th percentile	5
Q1	5
median	6
Q3	6
95-th percentile	7
Maximum	8
Range	5
Interquartile range (IQR)	1

Descriptive statistics

Standard deviation	0.80756944
Coefficient of variation (CV)	0.14328712
Kurtosis	0.29670812
Mean	5.6360225
Median Absolute Deviation (MAD)	1
Skewness	0.21780158
Sum	9012
Variance	0.6521684
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=6)

Value	Count	Frequency (%)
5	681	42.6%
6	638	39.9%
7	199	12.4%
4	53	3.3%
8	18	1.1%
3	10	0.6%

Value	Count	Frequency (%)
3	10	0.6%
4	53	3.3%
5	681	42.6%
6	638	39.9%
7	199	12.4%
8	18	1.1%

Value	Count	Frequency (%)
8	18	1.1%
7	199	12.4%
6	638	39.9%
5	681	42.6%
4	53	3.3%
3	10	0.6%

	alcohol	chlorides	citric acid	density	fixed acidity	free sulfur dioxide	pH	quality	residual sugar	sulphates	total sulfur dioxide	volatile acidity
alcohol	1.000	-0.285	0.096	-0.462	-0.067	-0.081	0.180	0.479	0.117	0.207	-0.258	-0.225
chlorides	-0.285	1.000	0.113	0.411	0.251	0.001	-0.234	-0.190	0.213	0.021	0.130	0.159
citric acid	0.096	0.113	1.000	0.352	0.662	-0.076	-0.548	0.213	0.176	0.331	0.009	-0.610
density	-0.462	0.411	0.352	1.000	0.623	-0.041	-0.312	-0.177	0.422	0.161	0.129	0.025
fixed acidity	-0.067	0.251	0.662	0.623	1.000	-0.175	-0.707	0.114	0.221	0.213	-0.088	-0.278
free sulfur dioxide	-0.081	0.001	-0.076	-0.041	-0.175	1.000	0.116	-0.057	0.075	0.046	0.790	0.021
pH	0.180	-0.234	-0.548	-0.312	-0.707	0.116	1.000	-0.044	-0.090	-0.080	-0.010	0.234
quality	0.479	-0.190	0.213	-0.177	0.114	-0.057	-0.044	1.000	0.032	0.377	-0.197	-0.381
residual sugar	0.117	0.213	0.176	0.422	0.221	0.075	-0.090	0.032	1.000	0.038	0.145	0.032
sulphates	0.207	0.021	0.331	0.161	0.213	0.046	-0.080	0.377	0.038	1.000	-0.001	-0.326
total sulfur dioxide	-0.258	0.130	0.009	0.129	-0.088	0.790	-0.010	-0.197	0.145	-0.001	1.000	0.094
volatile acidity	-0.225	0.159	-0.610	0.025	-0.278	0.021	0.234	-0.381	0.032	-0.326	0.094	1.000

A simple visualization of nullity by column.

Nullity matrix is a data-dense display which lets you quickly visually pick out patterns in data completion.

	fixed acidity	volatile acidity	citric acid	residual sugar	chlorides	free sulfur dioxide	total sulfur dioxide	density	pH	sulphates	alcohol	quality
0	7.4	0.70	0.00	1.9	0.076	11.0	34.0	0.9978	3.51	0.56	9.4	5
1	7.8	0.88	0.00	2.6	0.098	25.0	67.0	0.9968	3.20	0.68	9.8	5
2	7.8	0.76	0.04	2.3	0.092	15.0	54.0	0.9970	3.26	0.65	9.8	5
3	11.2	0.28	0.56	1.9	0.075	17.0	60.0	0.9980	3.16	0.58	9.8	6
4	7.4	0.70	0.00	1.9	0.076	11.0	34.0	0.9978	3.51	0.56	9.4	5
5	7.4	0.66	0.00	1.8	0.075	13.0	40.0	0.9978	3.51	0.56	9.4	5
6	7.9	0.60	0.06	1.6	0.069	15.0	59.0	0.9964	3.30	0.46	9.4	5
7	7.3	0.65	0.00	1.2	0.065	15.0	21.0	0.9946	3.39	0.47	10.0	7
8	7.8	0.58	0.02	2.0	0.073	9.0	18.0	0.9968	3.36	0.57	9.5	7
9	7.5	0.50	0.36	6.1	0.071	17.0	102.0	0.9978	3.35	0.80	10.5	5

	fixed acidity	volatile acidity	citric acid	residual sugar	chlorides	free sulfur dioxide	total sulfur dioxide	density	pH	sulphates	alcohol	quality
1589	6.6	0.725	0.20	7.8	0.073	29.0	79.0	0.99770	3.29	0.54	9.2	5
1590	6.3	0.550	0.15	1.8	0.077	26.0	35.0	0.99314	3.32	0.82	11.6	6
1591	5.4	0.740	0.09	1.7	0.089	16.0	26.0	0.99402	3.67	0.56	11.6	6
1592	6.3	0.510	0.13	2.3	0.076	29.0	40.0	0.99574	3.42	0.75	11.0	6
1593	6.8	0.620	0.08	1.9	0.068	28.0	38.0	0.99651	3.42	0.82	9.5	6
1594	6.2	0.600	0.08	2.0	0.090	32.0	44.0	0.99490	3.45	0.58	10.5	5
1595	5.9	0.550	0.10	2.2	0.062	39.0	51.0	0.99512	3.52	0.76	11.2	6
1596	6.3	0.510	0.13	2.3	0.076	29.0	40.0	0.99574	3.42	0.75	11.0	6
1597	5.9	0.645	0.12	2.0	0.075	32.0	44.0	0.99547	3.57	0.71	10.2	5
1598	6.0	0.310	0.47	3.6	0.067	18.0	42.0	0.99549	3.39	0.66	11.0	6

Most frequently occurring

	fixed acidity	volatile acidity	citric acid	residual sugar	chlorides	free sulfur dioxide	total sulfur dioxide	density	pH	sulphates	alcohol	quality	# duplicates
22	6.7	0.460	0.24	1.7	0.077	18.0	34.0	0.99480	3.39	0.60	10.6	6	4
52	7.2	0.360	0.46	2.1	0.074	24.0	44.0	0.99534	3.40	0.85	11.0	7	4
63	7.2	0.695	0.13	2.0	0.076	12.0	20.0	0.99546	3.29	0.54	10.1	5	4
81	7.5	0.510	0.02	1.7	0.084	13.0	31.0	0.99538	3.36	0.54	10.5	6	4
5	6.0	0.500	0.00	1.4	0.057	15.0	26.0	0.99448	3.36	0.45	9.5	5	3
12	6.4	0.640	0.21	1.8	0.081	14.0	31.0	0.99689	3.59	0.66	9.8	5	3
39	7.0	0.650	0.02	2.1	0.066	8.0	25.0	0.99720	3.47	0.67	9.5	6	3
40	7.0	0.690	0.07	2.5	0.091	15.0	21.0	0.99572	3.38	0.60	11.3	6	3
60	7.2	0.630	0.00	1.9	0.097	14.0	38.0	0.99675	3.37	0.58	9.0	6	3
104	7.8	0.600	0.26	2.0	0.080	31.0	131.0	0.99622	3.21	0.52	9.9	5	3

Overview

Interactions

Correlations

Missing values

Sample

Duplicate rows

Most frequently occurring

Overview

Variables

Interactions

Correlations

Missing values

Sample

Duplicate rows

Most frequently occurring